Measurement and Uncertainty

Answers to Practice Worksheet 2.2

Practice Worksheet 2.2 – Measurement and Uncertainty
Note the solutions given are reasonable estimates of uncertainty for the measurements given.  Your measurements and uncertainties will be different, that is intentional and intended to promote discussion.  The answers given are all in proper form.  Even if your answers are different, proper form must be used.

Cylinder 1 15 ± 1 mL	Cylinder 2 85 ± 3 mL	Cylinder 3 168 ±  5 mL	Burette 1 30.18 ± 0.05 mL
Burette 2 31.18 ± 0.05 mL	Cylinder 4 62.8 ± 0.3 mL	Temperature 1 28.5 ± 0.5 °C	Length 1 1.5 ± 0.2 cm
Length 2 1.49 ± 0.05 cm	Voltage 1 3.4 ± 0.3 V	Mass 1 17.42 ± 0.05 g	Length 3 1.4 ± 0.1 cm

 

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